Perhaps you should try some spelling variations:
ruhe » truhe (Expand Search)
mohr » mehr (Expand Search), lohr (Expand Search), mohn (Expand Search)
ohn » john (Expand Search), mohn (Expand Search)
ohne » johne (Expand Search), mohne (Expand Search)
sohn » sjohn (Expand Search), smohn (Expand Search)
bohn » bjohn (Expand Search), bmohn (Expand Search)
hohn » hjohn (Expand Search), hmohn (Expand Search), hahn (Expand Search), huhn (Expand Search)
university » universitat (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (ruhe OR (mohr OR ((((ohn OR ohne) OR sohn) OR bohn) OR hohn))) university bochum~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(ruhe OR (mohr OR ((((ohn OR ohne) OR sohn) OR bohn) OR hohn))) university bochum".
• Adding a wildcard symbol may retrieve word variants: (ruhe OR (mohr OR ((((ohn OR ohne) OR sohn) OR bohn) OR hohn))) university bochum*.